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echo: aust_avtech
to: Theo Bee
from: John Tserkezis
date: 1997-03-23 17:21:26
subject: Police Radar

-=> Quoting Theo Bee to John Tserkezis <=-

Hello Theo,

 JT> Oh, ok, then explain to me how they DO work. Well stuff me if
 JT> that technique isn't based on the doppler effect.
 
 BL> They measure the range differential over time.
 
 JT> In english?

 TB> If you take two or more readings you can get the tanks dV/dt and it's 
 TB> vector from the relative coordinates in time, you can subsequently 
 TB> integrate and predict future position of the target at a given time.

 Assuming they hold current course, but now I understand.

 TB> IOW what he says is if you know the target goes this fast from there
 TB> to  there it gets gets there just in time to score the grenade or two
 TB> you  lobbed on that position:-)

 What ever happened to the normal speeding ticket?  Wasn't the points and
fine enough for them so now they have to pop a few grenades as well?  :-)
 It'll stop you from speeding anyway...

John Tserkezis, Sydney, Oz. Fidonet: 3:712/610  Internet: jt{at}suburbia.com.au

... Your proctocologist called...  Your head is ready!
---
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